Fourth biggest city of Switzerland, Lausanne is based on the bank of the lake of Geneva. The urban area of Lausanne-Morges which counts 342 200 inhabitants is composed of more than 20 cities including : Lausanne, Morge, Renens, Pully, Lutry, Prilly, Le Mont-sur-Lausanne, Cheseaux, Epalinges, Romanel, Bussigny, Crissiers, Ecublens, Echandens, Préverenges.

Administrative, commercial, tourism and the education pole, Lausanne is also known to be the city of the International Olympic Committee.